ac
adult
air
checking
checklist
clipboard
conditioner
data
day
electric
electrical
employee
engineer
engineering
holding
industrial
inspecting
inspection
inspector
maintenance
male
man
manager
occupation
one
outdoors
page
paper
pen
people
person
power
profession
professional
repair
repairing
reporting
service
showing
side
standing
stationery
system
technical
technician
uniform
work
worker
working
young